/*
 * Copyright (c) 2003-2004, 2008 Apple Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
 *              All Rights Reserved
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appears in all copies and
 * that both the copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE.
 *
 * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
 * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
/*
 * MkLinux
 */

/* Machine-dependent definitions for pthread internals. */

#ifndef _POSIX_PTHREAD_MACHDEP_H
#define _POSIX_PTHREAD_MACHDEP_H

#ifdef __LP64__
#define _PTHREAD_TSD_OFFSET 0x60
#else
#define _PTHREAD_TSD_OFFSET 0x48
#endif  /* __LP64__ */

#ifndef __ASSEMBLER__

#include <System/machine/cpu_capabilities.h>
#ifdef __arm__
#include <arm/arch.h>
#endif

/*
** Define macros for inline pthread_getspecific() usage.
** We reserve a number of slots for Apple internal use.
** This number can grow dynamically, no need to fix it.
*/

/* This header contains pre defined thread specific keys */
/* 0 is used for pthread_self */
#define _PTHREAD_TSD_SLOT_PTHREAD_SELF        0
/* Keys 1- 9 for use by dyld, directly or indirectly */
#define _PTHREAD_TSD_SLOT_DYLD_1        1
#define _PTHREAD_TSD_SLOT_DYLD_2        2
#define _PTHREAD_TSD_SLOT_DYLD_3        3
#define _PTHREAD_TSD_RESERVED_SLOT_COUNT    4

/* Keys 10 - 29 are for Libc/Libsystem internal ussage */
/* used as __pthread_tsd_first + Num  */
#define __PTK_LIBC_LOCALE_KEY        10
#define __PTK_LIBC_TTYNAME_KEY        11
#define __PTK_LIBC_LOCALTIME_KEY    12
#define __PTK_LIBC_GMTIME_KEY        13
#define __PTK_LIBC_GDTOA_BIGINT_KEY    14
#define __PTK_LIBC_PARSEFLOAT_KEY    15

/* Keys 20-25 for libdispactch usage */
#define __PTK_LIBDISPATCH_KEY0        20
#define __PTK_LIBDISPATCH_KEY1        21
#define __PTK_LIBDISPATCH_KEY2        22
#define __PTK_LIBDISPATCH_KEY3        23
#define __PTK_LIBDISPATCH_KEY4        24
#define __PTK_LIBDISPATCH_KEY5        25

/* Keys 30-255 for Non Libsystem usage */

/* Keys 30-39 for Graphic frameworks usage */
#define _PTHREAD_TSD_SLOT_OPENGL    30    /* backwards compat sake */
#define __PTK_FRAMEWORK_OPENGL_KEY    30
#define __PTK_FRAMEWORK_GRAPHICS_KEY1    31
#define __PTK_FRAMEWORK_GRAPHICS_KEY2    32
#define __PTK_FRAMEWORK_GRAPHICS_KEY3    33
#define __PTK_FRAMEWORK_GRAPHICS_KEY4    34
#define __PTK_FRAMEWORK_GRAPHICS_KEY5    35
#define __PTK_FRAMEWORK_GRAPHICS_KEY6    36
#define __PTK_FRAMEWORK_GRAPHICS_KEY7    37
#define __PTK_FRAMEWORK_GRAPHICS_KEY8    38
#define __PTK_FRAMEWORK_GRAPHICS_KEY9    39

/* Keys 40-49 for Objective-C runtime usage */
#define __PTK_FRAMEWORK_OBJC_KEY0    40
#define __PTK_FRAMEWORK_OBJC_KEY1    41
#define __PTK_FRAMEWORK_OBJC_KEY2      42
#define __PTK_FRAMEWORK_OBJC_KEY3      43
#define __PTK_FRAMEWORK_OBJC_KEY4      44
#define __PTK_FRAMEWORK_OBJC_KEY5      45
#define __PTK_FRAMEWORK_OBJC_KEY6      46
#define __PTK_FRAMEWORK_OBJC_KEY7      47
#define __PTK_FRAMEWORK_OBJC_KEY8    48
#define __PTK_FRAMEWORK_OBJC_KEY9      49

/* Keys 50-59 for Core Foundation usage */
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY0    50
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY1    51
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY2    52
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY3    53
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY4    54
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY5    55
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY6    56
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY7    57
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY8    58
#define __PTK_FRAMEWORK_COREFOUNDATION_KEY9    59

/* Keys 60-69 for Foundation usage */
#define __PTK_FRAMEWORK_FOUNDATION_KEY0        60
#define __PTK_FRAMEWORK_FOUNDATION_KEY1        61
#define __PTK_FRAMEWORK_FOUNDATION_KEY2        62
#define __PTK_FRAMEWORK_FOUNDATION_KEY3        63
#define __PTK_FRAMEWORK_FOUNDATION_KEY4        64
#define __PTK_FRAMEWORK_FOUNDATION_KEY5        65
#define __PTK_FRAMEWORK_FOUNDATION_KEY6        66
#define __PTK_FRAMEWORK_FOUNDATION_KEY7        67
#define __PTK_FRAMEWORK_FOUNDATION_KEY8        68
#define __PTK_FRAMEWORK_FOUNDATION_KEY9        69

/* Keys 70-79 for Core Animation/QuartzCore usage */
#define __PTK_FRAMEWORK_QUARTZCORE_KEY0        70
#define __PTK_FRAMEWORK_QUARTZCORE_KEY1        71
#define __PTK_FRAMEWORK_QUARTZCORE_KEY2        72
#define __PTK_FRAMEWORK_QUARTZCORE_KEY3        73
#define __PTK_FRAMEWORK_QUARTZCORE_KEY4        74
#define __PTK_FRAMEWORK_QUARTZCORE_KEY5        75
#define __PTK_FRAMEWORK_QUARTZCORE_KEY6        76
#define __PTK_FRAMEWORK_QUARTZCORE_KEY7        77
#define __PTK_FRAMEWORK_QUARTZCORE_KEY8        78
#define __PTK_FRAMEWORK_QUARTZCORE_KEY9        79


/* Keys 80-89 for Garbage Collection */
#define __PTK_FRAMEWORK_GC_KEY0        80
#define __PTK_FRAMEWORK_GC_KEY1        81
#define __PTK_FRAMEWORK_GC_KEY2        82
#define __PTK_FRAMEWORK_GC_KEY3        83
#define __PTK_FRAMEWORK_GC_KEY4        84
#define __PTK_FRAMEWORK_GC_KEY5        85
#define __PTK_FRAMEWORK_GC_KEY6        86
#define __PTK_FRAMEWORK_GC_KEY7        87
#define __PTK_FRAMEWORK_GC_KEY8        88
#define __PTK_FRAMEWORK_GC_KEY9        89


/*
** Define macros for inline pthread_getspecific() usage.
** We reserve a number of slots for Apple internal use.
** This number can grow dynamically, no need to fix it.
*/


#if defined(__cplusplus)
extern "C" {
#endif

extern void *pthread_getspecific(unsigned long);
/* setup destructor function for static key as it is not created with pthread_key_create() */
int       pthread_key_init_np(int, void (*)(void *));

#if defined(__cplusplus)
}
#endif

//typedef int pthread_lock_t;

//inline static int
//_pthread_has_direct_tsd(void)
//{
//#if defined(__ppc__)
//    int *caps = (int *)_COMM_PAGE_CPU_CAPABILITIES;
//    if (*caps & kFastThreadLocalStorage) {
//        return 1;
//    } else {
//        return 0;
//    }
//#elif defined(__arm__) && defined(__thumb__) && defined(_ARM_ARCH_6) && !defined(_ARM_ARCH_7)
//    return 0;
//#else
//    return 1;
//#endif
//}
//
/* To be used with static constant keys only */
//inline static void *
//_pthread_getspecific_direct(unsigned long slot)
//{
//        void *ret;
//#if defined(__i386__) || defined(__x86_64__)
//#if defined(__OPTIMIZE__)
//        asm volatile("mov %%gs:%P1, %0" : "=r" (ret) : "i" (slot * sizeof(void *) + _PTHREAD_TSD_OFFSET));
//#else
//        asm("mov %%gs:%P2(,%1,%P3), %0" : "=r" (ret) : "r" (slot), "i" (_PTHREAD_TSD_OFFSET), "i" (sizeof (void *)));
//#endif
//#elif defined(__ppc__)
//        void **__pthread_tsd;
//        asm volatile("mfspr %0, 259" : "=r" (__pthread_tsd));
//        ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
//#elif defined(__ppc64__)
//        register void **__pthread_tsd asm ("r13");
//        ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
//#elif defined(__arm__) && defined(_ARM_ARCH_6)
//    void **__pthread_tsd;
//    __asm__ ("mrc p15, 0, %0, c13, c0, 3" : "=r"(__pthread_tsd));
//    ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
//#elif defined(__arm__) && !defined(_ARM_ARCH_6)
//        register void **__pthread_tsd asm ("r9");
//        ret = __pthread_tsd[slot + (_PTHREAD_TSD_OFFSET / sizeof(void *))];
//#else
//#error no pthread_getspecific_direct implementation for this arch
//#endif
//        return ret;
//}

/* To be used with static constant keys only */
#define _pthread_setspecific_direct(key, val) pthread_setspecific(key, val)

#define LOCK_INIT(l)    ((l) = 0)
#define LOCK_INITIALIZER 0

#endif /* ! __ASSEMBLER__ */
#endif /* _POSIX_PTHREAD_MACHDEP_H */
